Trim some dependencies on crypto/x509 headers.

net/ssl/openssl_ssl_util.h

Index: net/ssl/openssl_ssl_util.h
diff --git a/net/ssl/openssl_ssl_util.h b/net/ssl/openssl_ssl_util.h
index 5e533d9433674668351035317c43628d1290e247..ff63edd40411bd1b645c881c4e99dd1dd62a0042 100644
--- a/net/ssl/openssl_ssl_util.h
+++ b/net/ssl/openssl_ssl_util.h
@@ -10,7 +10,7 @@
 #include "net/base/net_export.h"
 #include "net/cert/x509_certificate.h"
 #include "net/log/net_log_parameters_callback.h"
-#include "third_party/boringssl/src/include/openssl/x509.h"
+#include "third_party/boringssl/src/include/openssl/base.h"
 
 namespace crypto {
 class OpenSSLErrStackTracer;
@@ -78,12 +78,6 @@ NetLogParametersCallback CreateNetLogOpenSSLErrorCallback(
 // this SSL connection.
 int GetNetSSLVersion(SSL* ssl);
 
-bssl::UniquePtr<X509> OSCertHandleToOpenSSL(
-    X509Certificate::OSCertHandle os_handle);
-
-bssl::UniquePtr<STACK_OF(X509)> OSCertHandlesToOpenSSL(
-    const X509Certificate::OSCertHandles& os_handles);
-
 }  // namespace net
 
 #endif  // NET_SSL_OPENSSL_SSL_UTIL_H_